Toy tank



FIG. 1 is a front elevational view of an embodiment of a toy tankshowing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view therof.

The ornamental design for toy tank, as shown and described.